FeelinGirl Men Hot Neoprene Sauna Tank Top Sweat Waist Trainer Vest Weight Loss Body Shaper 80% Neoprene 20% Nylon Zipper front closuresdesign.Sauna vest with Zipper burn fat more than regular gym clothing,helps posture for back and abs as you workout Making you sweat like crazy when you workout keeps you body warm during cold days with minimal thermal cover with this underwear ,This Corset training vest can be worn under or over your regular shirts Material produce higher compression resulting in more sweating and help your body to sweat out harmful fats.Enhances the abdominal and spinal support Wear the Shaper under jacket or dress around the house,when you're exercising,running errands or going out.You'll have a firmer posture,lower back support,and be sweating all day. Flatten your stomach Lose inches off of your waist Accelerated weight loss and Improve posture Provides your abdominal compression and lumbar support Wearing the Waist Trainer Shaper around the house can enhance calorie burning and makes you to sweat a lot.